Bolt dimensions In plate bending

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SUMMARY

The discussion focuses on calculating shear forces in bolts connected to a plate under bending loads. The user seeks to minimize bolt diameter while accurately determining shear stress in the bolts, given that the applied force is perpendicular to the plate. The user is familiar with estimating bolt dimensions using shear force but requires a method to derive shear forces from vertical loads applied to the plate. The conversation references a specific example from a mechanics resource for calculating bearing stress.

PREREQUISITES
  • Understanding of shear force and bending moments in structural mechanics.
  • Familiarity with bolt dimensioning and material strength principles.
  • Knowledge of mechanics of materials, specifically bearing stress calculations.
  • Ability to interpret and apply examples from engineering mechanics resources.
NEXT STEPS
  • Research methods for calculating shear stress in bolts under bending loads.
  • Study the relationship between applied vertical loads and resultant shear forces in connected components.
  • Explore advanced mechanics of materials textbooks for case studies on bolt connections.
  • Learn about finite element analysis (FEA) tools for simulating stress distributions in bolted connections.
USEFUL FOR

Mechanical engineers, structural engineers, and anyone involved in the design and analysis of bolted connections in plate structures.

srosendal
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Hey

I have this plate, and as you can see it has 4 bolt connections and no other. When applying the load bending will occur in the plate. I am interested in making the diameter of bolt as small as possible. My problem is though that I only can see the shear forces in the plate.

How can I find the shear forces in the bolts ? (I guess these forces will be equal of the normal forces in the plate ??)

I am familiar with estimating bolt dimensions using shear force, but I am looking for a way to find the shear stress in the bolts, when in this case the applied force is perpendicular to the plate, hence in same direction as the bolts ...
 

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Hi

It is exactly that case I would like to calculate, but the thing is that I have to estimate the force P (from this example) from the force that I apply vertical on the plate (and not in the shear direction as in the example).
 

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